Schematic; Scalar Board - HP Compaq L1702 Service Manual

7.SCHEMATIC

7.1 SCALAR BOARD

CN303
PC5V
1
HSI-1
2
VSI-1
3
CLK_DDC CN301
4
DAT_DDC NC DB15
5
TXD 11 1
6
RXD 6
7
VGA_CON D329 12 2
8
AB+ 7
9
AB- MLL5232B 5.6V 13 3
10
AG+ 8
11
AG-
14 4
12
AR+ 9
13
AR-
15 5
14
10
CONN
D328
MLL5232B 5.6V
HSI-1
VSI-1
D305
MLL5232B 5.6V
CLK_DDC
DAT_DDC
RXD
RXD 6
TXD
TXD 6
D327 MLL5232B 5.6V
AR+ FB301 0 1/16W
AR-
AG+ FB302 0 1/16W
AG-
AB+ FB303 0 1/16W
AB-
PC5V R301 C301
VGA_CON
75 1/16W NC
D301 D302 D303
BAV99 BAV99 BAV99
VCC5V
FB304 150 OHM
R314 100 1/16W
D306 R316 C311 R317
MLL5232B 5.6V
2.2K 1/16W 33pF 10K
D308 D309
MLL5232B 5.6V MLL5232B 5.6V
1
2
3
SOT23
R302 100 1/16W C302 0.047uF
RIN 4
R303 100 1/16W C303 0.047uF
GIN 4
R304 100 1/16W C304 0.047uF
BIN 4
R305 470 1/16W C305 0.001uF
SOG 4
C306 C307
NC NC
R308 100 1/16W C308 0.047uF
GNDR 4
R309 100 1/16W C309 0.047uF
GNDG 4
R310 100 1/16W C310 0.047uF
GNDB 4
VCC5V
R311
10K 1/16W
R312 100 1/16W
ST_DET1 6
R313 1K 1/16W
HSYNC 4
R315 1K 1/16W
VSYNC 4
C312 D307
MLL5232B 5.6V
1/16W 220pF
R342 22 1/16W
R320
R321
5
4
6 DDC_DAT
6 DDC_CLK
Page 26 of 143
HP L1702/FP7317 Service Manual
VCC5V
PC5V
D304
BAV70
R318 R319
4.7K 1/16W C313
U301
4.7K 1/16W
8 1 0.1uF
VCC A0
7 2
WP A1
47 1/16W SCL/I 6 3
SCL A2
47 1/16W SDA/I 5 4
SDA GND
AT24C02N-10SC
R351
0 1/16W
VCC5V
R356
S
Q303 4.7K 1/16W
R354
S D
4.7K 1/16W
NC
R357
0 1/16W
R355
VCC5V
Q302
R358
D
SCL/I
NC
0 1/16W
R359
0 1/16W SDA/I
0 1/16W